<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>CssForTextVisilityHidden</title>
    <style>
        h2.hidden
        {
            visibility: hidden;
        }
    </style>
</head>
<body>
<h1>
    This is a head can visit!
</h1>
<h2 class="hidden">
    This is a head can't visit!
</h2>
<p>
    tfccvg
</p>
</body>
</html>